发明人王建平,李文辉,胡光. "一种左旋多巴EP杂质C-d3(S-异构体)(L-3-O-甲基多巴-d3)的合成方法" [P]. 中国发明专利, 专利号 CN 115975103 A, 授权公告日 2015-07-22.
发明人高志强,沈红梅,钱学锋. "Method for the Synthesis of Levodopa EP Impurity C-d3 (S-isomer) (L-3-O-Methyldopa-d3)" [P]. 中国发明专利, 专利号 CN 114615631 B, 授权公告日 2017-12-17.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 左旋多巴EP杂质C-d3(S-异构体)(L-3-O-甲基多巴-d3) in Pharmaceutical Formulations". J. Nat. Prod., 2022, 734, (12), 285-315.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左旋多巴EP杂质C-d3(S-异构体)(L-3-O-甲基多巴-d3) as an Impurity". Food Chem., 2013, 345, (9), 7378-7404.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Levodopa EP Impurity C-d3 (S-isomer) (L-3-O-Methyldopa-d3) Using HRMS and NMR". J. Agric. Food Chem., 2023, 1108, (10), 14-31.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 左旋多巴EP杂质C-d3(S-异构体)(L-3-O-甲基多巴-d3) Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 673, (6), 824-828.